(KBCW) – Over the weekend, Arrow’s Stephen Amell shared a photo on social media depicting the boots of The CW superheroes together.

In the photo below, boots from (clockwise-L-R) The Atom (Brandon Routh), The Flash (Grant Gustin), White Canary (Caity Lotz), Supergirl (Melissa Benoist) and Arrow (Stephen Amell) are shown with the caption “Coming Soon” from Amell’s Facebook page.

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It remains to be seen, but some are already speculating the possibility of a four-show crossover that would include Arrow, The Flash, Supergirl and DC’s Legends of Tomorrow. Previously, Executive Producer Greg Berlanti told Entertainment Weekly “I’m going to probably try to have one unifying threat, as opposed to different things on different ones, which is what the first year was.”

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Each show is set to premiere on The CW in October.

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